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Full Discussion: Bash to search file based off user input then create new file
Top Forums Shell Programming and Scripting Bash to search file based off user input then create new file Post 302942785 by Walter Misar on Friday 1st of May 2015 10:47:41 AM
Old 05-01-2015
Breaking down the result line again will work:
Code:
result=`grep -n "${id}" getCSV.txt`
if [ -n "$result" ]; then
  echo "match found in line $result"|sed 's/:.*//'
  echo "$result"|sed 's/[^:]*://' >> match.txt
else
  echo "no match found"
fi

This will stop working, if more than one result line is found. If that is possible, it's probably best to remove the -n from grep, just write the result lines into the file and omit the line number from the found message. Or do something like:

Code:
grep -n "${id}" getCSV.txt|while read $line; do
  echo "match found in line $line"|sed 's/:.*//'
  echo "$line"|sed 's/[^:]*://' >> match.txt
done

 

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LEARN ABOUT CENTOS

bashbug-64

BASHBUG(1)						      General Commands Manual							BASHBUG(1)

NAME

       bashbug - report a bug in bash

SYNOPSIS

       bashbug [--version] [--help] [email-address]

DESCRIPTION

       bashbug	is  a shell script to help the user compose and mail bug reports concerning bash in a standard format.	bashbug invokes the editor
       specified by the environment variable EDITOR on a temporary copy of the bug report format outline. The user must fill  in  the  appropriate
       fields  and  exit  the  editor.	 bashbug  then	mails the completed report to bug-bash@gnu.org, or email-address.  If the report cannot be
       mailed, it is saved in the file dead.bashbug in the invoking user's home directory.

       The bug report format outline consists of several sections.  The first section provides information about the  machine,	operating  system,
       the  bash  version, and the compilation environment.  The second section should be filled in with a description of the bug.  The third sec-
       tion should be a description of how to reproduce the bug.  The optional fourth section is for a proposed fix.  Fixes are encouraged.

ENVIRONMENT

       bashbug will utilize the following environment variables if they exist:

       EDITOR Specifies the preferred editor. If EDITOR is not set, bashbug defaults to emacs.

       HOME   Directory in which the failed bug report is saved if the mail fails.

       TMPDIR Directory in which to create temporary files and directories.

SEE ALSO

       bash(1)

AUTHORS

       Brian Fox, Free Software Foundation
       bfox@gnu.org

       Chet Ramey, Case Western Reserve University
       chet@po.cwru.edu

GNU Bash-4.0							   1998 July 30 							BASHBUG(1)
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